209219000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 536440320

約数和(自身を除く): 327221320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 85, 100, 124, 125, 136, 155, 170, 200, 248, 250, 310, 340, 397, 425, 500, 527, 620, 680, 775, 794, 850, 1000, 1054, 1240, 1550, 1588, 1700, 1985, 2108, 2125, 2635, 3100, 3176, 3400, 3875, 3970, 4216, 4250, 5270, 6200, 6749, 7750, 7940, 8500, 9925, 10540, 12307, 13175, 13498, 15500, 15880, 17000, 19850, 21080, 24614, 26350, 26996, 31000, 33745, 39700, 49228, 49625, 52700, 53992, 61535, 65875, 67490, 79400, 98456, 99250, 105400, 123070, 131750, 134980, 168725, 198500, 209219, 246140, 263500, 269960, 307675, 337450, 397000, 418438, 492280, 527000, 615350, 674900, 836876, 843625, 1046095, 1230700, 1349800, 1538375, 1673752, 1687250, 2092190, 2461400, 3076750, 3374500, 4184380, 5230475, 6153500, 6749000, 8368760, 10460950, 12307000, 20921900, 26152375, 41843800, 52304750, 104609500, 209219000]

約数ペア:

[(1, 209219000), (2, 104609500), (4, 52304750), (5, 41843800), (8, 26152375), (10, 20921900), (17, 12307000), (20, 10460950), (25, 8368760), (31, 6749000), (34, 6153500), (40, 5230475), (50, 4184380), (62, 3374500), (68, 3076750), (85, 2461400), (100, 2092190), (124, 1687250), (125, 1673752), (136, 1538375), (155, 1349800), (170, 1230700), (200, 1046095), (248, 843625), (250, 836876), (310, 674900), (340, 615350), (397, 527000), (425, 492280), (500, 418438), (527, 397000), (620, 337450), (680, 307675), (775, 269960), (794, 263500), (850, 246140), (1000, 209219), (1054, 198500), (1240, 168725), (1550, 134980), (1588, 131750), (1700, 123070), (1985, 105400), (2108, 99250), (2125, 98456), (2635, 79400), (3100, 67490), (3176, 65875), (3400, 61535), (3875, 53992), (3970, 52700), (4216, 49625), (4250, 49228), (5270, 39700), (6200, 33745), (6749, 31000), (7750, 26996), (7940, 26350), (8500, 24614), (9925, 21080), (10540, 19850), (12307, 17000), (13175, 15880), (13498, 15500)]