195920000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 509836800

約数和(自身を除く): 313916800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 79, 80, 100, 124, 125, 128, 155, 158, 160, 200, 248, 250, 310, 316, 320, 395, 400, 496, 500, 620, 625, 632, 640, 775, 790, 800, 992, 1000, 1240, 1250, 1264, 1550, 1580, 1600, 1975, 1984, 2000, 2449, 2480, 2500, 2528, 3100, 3160, 3200, 3875, 3950, 3968, 4000, 4898, 4960, 5000, 5056, 6200, 6320, 7750, 7900, 8000, 9796, 9875, 9920, 10000, 10112, 12245, 12400, 12640, 15500, 15800, 16000, 19375, 19592, 19750, 19840, 20000, 24490, 24800, 25280, 31000, 31600, 38750, 39184, 39500, 40000, 48980, 49375, 49600, 50560, 61225, 62000, 63200, 77500, 78368, 79000, 80000, 97960, 98750, 99200, 122450, 124000, 126400, 155000, 156736, 158000, 195920, 197500, 244900, 248000, 252800, 306125, 310000, 313472, 316000, 391840, 395000, 489800, 496000, 612250, 620000, 632000, 783680, 790000, 979600, 1224500, 1240000, 1264000, 1530625, 1567360, 1580000, 1959200, 2449000, 2480000, 3061250, 3160000, 3918400, 4898000, 6122500, 6320000, 7836800, 9796000, 12245000, 19592000, 24490000, 39184000, 48980000, 97960000, 195920000]

約数ペア:

[(1, 195920000), (2, 97960000), (4, 48980000), (5, 39184000), (8, 24490000), (10, 19592000), (16, 12245000), (20, 9796000), (25, 7836800), (31, 6320000), (32, 6122500), (40, 4898000), (50, 3918400), (62, 3160000), (64, 3061250), (79, 2480000), (80, 2449000), (100, 1959200), (124, 1580000), (125, 1567360), (128, 1530625), (155, 1264000), (158, 1240000), (160, 1224500), (200, 979600), (248, 790000), (250, 783680), (310, 632000), (316, 620000), (320, 612250), (395, 496000), (400, 489800), (496, 395000), (500, 391840), (620, 316000), (625, 313472), (632, 310000), (640, 306125), (775, 252800), (790, 248000), (800, 244900), (992, 197500), (1000, 195920), (1240, 158000), (1250, 156736), (1264, 155000), (1550, 126400), (1580, 124000), (1600, 122450), (1975, 99200), (1984, 98750), (2000, 97960), (2449, 80000), (2480, 79000), (2500, 78368), (2528, 77500), (3100, 63200), (3160, 62000), (3200, 61225), (3875, 50560), (3950, 49600), (3968, 49375), (4000, 48980), (4898, 40000), (4960, 39500), (5000, 39184), (5056, 38750), (6200, 31600), (6320, 31000), (7750, 25280), (7900, 24800), (8000, 24490), (9796, 20000), (9875, 19840), (9920, 19750), (10000, 19592), (10112, 19375), (12245, 16000), (12400, 15800), (12640, 15500)]