1904012500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{11717}}^1$

素因数の和:11759

約数の個数: 72

約数和(自身を含む): 4485509784

約数和(自身を除く): 2581497284

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3125, 3250, 6250, 6500, 8125, 11717, 12500, 16250, 23434, 32500, 40625, 46868, 58585, 81250, 117170, 152321, 162500, 234340, 292925, 304642, 585850, 609284, 761605, 1171700, 1464625, 1523210, 2929250, 3046420, 3808025, 5858500, 7323125, 7616050, 14646250, 15232100, 19040125, 29292500, 36615625, 38080250, 73231250, 76160500, 95200625, 146462500, 190401250, 380802500, 476003125, 952006250, 1904012500]

約数ペア:

[(1, 1904012500), (2, 952006250), (4, 476003125), (5, 380802500), (10, 190401250), (13, 146462500), (20, 95200625), (25, 76160500), (26, 73231250), (50, 38080250), (52, 36615625), (65, 29292500), (100, 19040125), (125, 15232100), (130, 14646250), (250, 7616050), (260, 7323125), (325, 5858500), (500, 3808025), (625, 3046420), (650, 2929250), (1250, 1523210), (1300, 1464625), (1625, 1171700), (2500, 761605), (3125, 609284), (3250, 585850), (6250, 304642), (6500, 292925), (8125, 234340), (11717, 162500), (12500, 152321), (16250, 117170), (23434, 81250), (32500, 58585), (40625, 46868)]