690370000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 200

約数和(自身を含む): 1840810752

約数和(自身を除く): 1150440752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 125, 131, 136, 155, 170, 200, 248, 250, 262, 272, 310, 340, 400, 425, 496, 500, 524, 527, 620, 625, 655, 680, 775, 850, 1000, 1048, 1054, 1240, 1250, 1310, 1360, 1550, 1700, 2000, 2096, 2108, 2125, 2227, 2480, 2500, 2620, 2635, 3100, 3275, 3400, 3875, 4061, 4216, 4250, 4454, 5000, 5240, 5270, 6200, 6550, 6800, 7750, 8122, 8432, 8500, 8908, 10000, 10480, 10540, 10625, 11135, 12400, 13100, 13175, 15500, 16244, 16375, 17000, 17816, 19375, 20305, 21080, 21250, 22270, 26200, 26350, 31000, 32488, 32750, 34000, 35632, 38750, 40610, 42160, 42500, 44540, 52400, 52700, 55675, 62000, 64976, 65500, 65875, 69037, 77500, 81220, 81875, 85000, 89080, 101525, 105400, 111350, 131000, 131750, 138074, 155000, 162440, 163750, 170000, 178160, 203050, 210800, 222700, 262000, 263500, 276148, 278375, 310000, 324880, 327500, 329375, 345185, 406100, 445400, 507625, 527000, 552296, 556750, 655000, 658750, 690370, 812200, 890800, 1015250, 1054000, 1104592, 1113500, 1310000, 1317500, 1380740, 1391875, 1624400, 1725925, 2030500, 2227000, 2538125, 2635000, 2761480, 2783750, 3451850, 4061000, 4454000, 5076250, 5270000, 5522960, 5567500, 6903700, 8122000, 8629625, 10152500, 11135000, 13807400, 17259250, 20305000, 22270000, 27614800, 34518500, 40610000, 43148125, 69037000, 86296250, 138074000, 172592500, 345185000, 690370000]

約数ペア:

[(1, 690370000), (2, 345185000), (4, 172592500), (5, 138074000), (8, 86296250), (10, 69037000), (16, 43148125), (17, 40610000), (20, 34518500), (25, 27614800), (31, 22270000), (34, 20305000), (40, 17259250), (50, 13807400), (62, 11135000), (68, 10152500), (80, 8629625), (85, 8122000), (100, 6903700), (124, 5567500), (125, 5522960), (131, 5270000), (136, 5076250), (155, 4454000), (170, 4061000), (200, 3451850), (248, 2783750), (250, 2761480), (262, 2635000), (272, 2538125), (310, 2227000), (340, 2030500), (400, 1725925), (425, 1624400), (496, 1391875), (500, 1380740), (524, 1317500), (527, 1310000), (620, 1113500), (625, 1104592), (655, 1054000), (680, 1015250), (775, 890800), (850, 812200), (1000, 690370), (1048, 658750), (1054, 655000), (1240, 556750), (1250, 552296), (1310, 527000), (1360, 507625), (1550, 445400), (1700, 406100), (2000, 345185), (2096, 329375), (2108, 327500), (2125, 324880), (2227, 310000), (2480, 278375), (2500, 276148), (2620, 263500), (2635, 262000), (3100, 222700), (3275, 210800), (3400, 203050), (3875, 178160), (4061, 170000), (4216, 163750), (4250, 162440), (4454, 155000), (5000, 138074), (5240, 131750), (5270, 131000), (6200, 111350), (6550, 105400), (6800, 101525), (7750, 89080), (8122, 85000), (8432, 81875), (8500, 81220), (8908, 77500), (10000, 69037), (10480, 65875), (10540, 65500), (10625, 64976), (11135, 62000), (12400, 55675), (13100, 52700), (13175, 52400), (15500, 44540), (16244, 42500), (16375, 42160), (17000, 40610), (17816, 38750), (19375, 35632), (20305, 34000), (21080, 32750), (21250, 32488), (22270, 31000), (26200, 26350)]