644420221250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{3083}}^1$

素因数の和:3814

約数の個数: 160

約数和(自身を含む): 1371748150080

約数和(自身を除く): 727327928830

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 625, 650, 677, 950, 1235, 1250, 1354, 1625, 2375, 2470, 3083, 3250, 3385, 4750, 6166, 6175, 6770, 8125, 8801, 11875, 12350, 12863, 15415, 16250, 16925, 17602, 23750, 25726, 30830, 30875, 33850, 40079, 44005, 58577, 61750, 64315, 77075, 80158, 84625, 88010, 117154, 128630, 154150, 154375, 167219, 169250, 200395, 220025, 292885, 308750, 321575, 334438, 385375, 400790, 423125, 440050, 585770, 643150, 761501, 770750, 836095, 846250, 1001975, 1100125, 1464425, 1523002, 1607875, 1672190, 1926875, 2003950, 2087191, 2200250, 2928850, 3215750, 3807505, 3853750, 4174382, 4180475, 5009875, 5500625, 7322125, 7615010, 8039375, 8360950, 10019750, 10435955, 11001250, 14644250, 16078750, 19037525, 20871910, 20902375, 25049375, 27133483, 36610625, 38075050, 39656629, 41804750, 50098750, 52179775, 54266966, 73221250, 79313258, 95187625, 104359550, 104511875, 135667415, 190375250, 198283145, 209023750, 260898875, 271334830, 396566290, 475938125, 515536177, 521797750, 678337075, 951876250, 991415725, 1031072354, 1304494375, 1356674150, 1982831450, 2577680885, 2608988750, 3391685375, 4957078625, 5155361770, 6783370750, 9914157250, 12888404425, 16958426875, 24785393125, 25776808850, 33916853750, 49570786250, 64442022125, 128884044250, 322210110625, 644420221250]

約数ペア:

[(1, 644420221250), (2, 322210110625), (5, 128884044250), (10, 64442022125), (13, 49570786250), (19, 33916853750), (25, 25776808850), (26, 24785393125), (38, 16958426875), (50, 12888404425), (65, 9914157250), (95, 6783370750), (125, 5155361770), (130, 4957078625), (190, 3391685375), (247, 2608988750), (250, 2577680885), (325, 1982831450), (475, 1356674150), (494, 1304494375), (625, 1031072354), (650, 991415725), (677, 951876250), (950, 678337075), (1235, 521797750), (1250, 515536177), (1354, 475938125), (1625, 396566290), (2375, 271334830), (2470, 260898875), (3083, 209023750), (3250, 198283145), (3385, 190375250), (4750, 135667415), (6166, 104511875), (6175, 104359550), (6770, 95187625), (8125, 79313258), (8801, 73221250), (11875, 54266966), (12350, 52179775), (12863, 50098750), (15415, 41804750), (16250, 39656629), (16925, 38075050), (17602, 36610625), (23750, 27133483), (25726, 25049375), (30830, 20902375), (30875, 20871910), (33850, 19037525), (40079, 16078750), (44005, 14644250), (58577, 11001250), (61750, 10435955), (64315, 10019750), (77075, 8360950), (80158, 8039375), (84625, 7615010), (88010, 7322125), (117154, 5500625), (128630, 5009875), (154150, 4180475), (154375, 4174382), (167219, 3853750), (169250, 3807505), (200395, 3215750), (220025, 2928850), (292885, 2200250), (308750, 2087191), (321575, 2003950), (334438, 1926875), (385375, 1672190), (400790, 1607875), (423125, 1523002), (440050, 1464425), (585770, 1100125), (643150, 1001975), (761501, 846250), (770750, 836095)]