170671900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 108

約数和(自身を含む): 438654216

約数和(自身を除く): 267982316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 61, 70, 98, 100, 122, 140, 175, 196, 244, 245, 305, 350, 427, 490, 571, 610, 700, 854, 980, 1142, 1220, 1225, 1525, 1708, 2135, 2284, 2450, 2855, 2989, 3050, 3997, 4270, 4900, 5710, 5978, 6100, 7994, 8540, 10675, 11420, 11956, 14275, 14945, 15988, 19985, 21350, 27979, 28550, 29890, 34831, 39970, 42700, 55958, 57100, 59780, 69662, 74725, 79940, 99925, 111916, 139324, 139895, 149450, 174155, 199850, 243817, 279790, 298900, 348310, 399700, 487634, 559580, 696620, 699475, 870775, 975268, 1219085, 1398950, 1706719, 1741550, 2438170, 2797900, 3413438, 3483100, 4876340, 6095425, 6826876, 8533595, 12190850, 17067190, 24381700, 34134380, 42667975, 85335950, 170671900]

約数ペア:

[(1, 170671900), (2, 85335950), (4, 42667975), (5, 34134380), (7, 24381700), (10, 17067190), (14, 12190850), (20, 8533595), (25, 6826876), (28, 6095425), (35, 4876340), (49, 3483100), (50, 3413438), (61, 2797900), (70, 2438170), (98, 1741550), (100, 1706719), (122, 1398950), (140, 1219085), (175, 975268), (196, 870775), (244, 699475), (245, 696620), (305, 559580), (350, 487634), (427, 399700), (490, 348310), (571, 298900), (610, 279790), (700, 243817), (854, 199850), (980, 174155), (1142, 149450), (1220, 139895), (1225, 139324), (1525, 111916), (1708, 99925), (2135, 79940), (2284, 74725), (2450, 69662), (2855, 59780), (2989, 57100), (3050, 55958), (3997, 42700), (4270, 39970), (4900, 34831), (5710, 29890), (5978, 28550), (6100, 27979), (7994, 21350), (8540, 19985), (10675, 15988), (11420, 14945), (11956, 14275)]