1644500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:66

約数の個数: 96

約数和(自身を含む): 4402944

約数和(自身を除く): 2758444

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 25, 26, 44, 46, 50, 52, 55, 65, 92, 100, 110, 115, 125, 130, 143, 220, 230, 250, 253, 260, 275, 286, 299, 325, 460, 500, 506, 550, 572, 575, 598, 650, 715, 1012, 1100, 1150, 1196, 1265, 1300, 1375, 1430, 1495, 1625, 2300, 2530, 2750, 2860, 2875, 2990, 3250, 3289, 3575, 5060, 5500, 5750, 5980, 6325, 6500, 6578, 7150, 7475, 11500, 12650, 13156, 14300, 14950, 16445, 17875, 25300, 29900, 31625, 32890, 35750, 37375, 63250, 65780, 71500, 74750, 82225, 126500, 149500, 164450, 328900, 411125, 822250, 1644500]

約数ペア:

[(1, 1644500), (2, 822250), (4, 411125), (5, 328900), (10, 164450), (11, 149500), (13, 126500), (20, 82225), (22, 74750), (23, 71500), (25, 65780), (26, 63250), (44, 37375), (46, 35750), (50, 32890), (52, 31625), (55, 29900), (65, 25300), (92, 17875), (100, 16445), (110, 14950), (115, 14300), (125, 13156), (130, 12650), (143, 11500), (220, 7475), (230, 7150), (250, 6578), (253, 6500), (260, 6325), (275, 5980), (286, 5750), (299, 5500), (325, 5060), (460, 3575), (500, 3289), (506, 3250), (550, 2990), (572, 2875), (575, 2860), (598, 2750), (650, 2530), (715, 2300), (1012, 1625), (1100, 1495), (1150, 1430), (1196, 1375), (1265, 1300)]