1801894250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 3717932400

約数和(自身を除く): 1916038150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 125, 130, 149, 250, 298, 305, 325, 610, 650, 745, 793, 1490, 1525, 1586, 1625, 1937, 3050, 3250, 3721, 3725, 3874, 3965, 7442, 7450, 7625, 7930, 9089, 9685, 15250, 18178, 18605, 18625, 19370, 19825, 37210, 37250, 39650, 45445, 48373, 48425, 90890, 93025, 96746, 96850, 99125, 118157, 186050, 198250, 227225, 236314, 241865, 242125, 454450, 465125, 483730, 484250, 554429, 590785, 930250, 1108858, 1136125, 1181570, 1209325, 2272250, 2418650, 2772145, 2953925, 5544290, 5907850, 6046625, 7207577, 12093250, 13860725, 14415154, 14769625, 27721450, 29539250, 36037885, 69303625, 72075770, 138607250, 180189425, 360378850, 900947125, 1801894250]

約数ペア:

[(1, 1801894250), (2, 900947125), (5, 360378850), (10, 180189425), (13, 138607250), (25, 72075770), (26, 69303625), (50, 36037885), (61, 29539250), (65, 27721450), (122, 14769625), (125, 14415154), (130, 13860725), (149, 12093250), (250, 7207577), (298, 6046625), (305, 5907850), (325, 5544290), (610, 2953925), (650, 2772145), (745, 2418650), (793, 2272250), (1490, 1209325), (1525, 1181570), (1586, 1136125), (1625, 1108858), (1937, 930250), (3050, 590785), (3250, 554429), (3721, 484250), (3725, 483730), (3874, 465125), (3965, 454450), (7442, 242125), (7450, 241865), (7625, 236314), (7930, 227225), (9089, 198250), (9685, 186050), (15250, 118157), (18178, 99125), (18605, 96850), (18625, 96746), (19370, 93025), (19825, 90890), (37210, 48425), (37250, 48373), (39650, 45445)]