320440700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 736619520

約数和(自身を除く): 416178820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 191, 380, 382, 475, 764, 883, 950, 955, 1766, 1900, 1910, 3532, 3629, 3820, 4415, 4775, 7258, 8830, 9550, 14516, 16777, 17660, 18145, 19100, 22075, 33554, 36290, 44150, 67108, 72580, 83885, 88300, 90725, 167770, 168653, 181450, 335540, 337306, 362900, 419425, 674612, 838850, 843265, 1677700, 1686530, 3204407, 3373060, 4216325, 6408814, 8432650, 12817628, 16022035, 16865300, 32044070, 64088140, 80110175, 160220350, 320440700]

約数ペア:

[(1, 320440700), (2, 160220350), (4, 80110175), (5, 64088140), (10, 32044070), (19, 16865300), (20, 16022035), (25, 12817628), (38, 8432650), (50, 6408814), (76, 4216325), (95, 3373060), (100, 3204407), (190, 1686530), (191, 1677700), (380, 843265), (382, 838850), (475, 674612), (764, 419425), (883, 362900), (950, 337306), (955, 335540), (1766, 181450), (1900, 168653), (1910, 167770), (3532, 90725), (3629, 88300), (3820, 83885), (4415, 72580), (4775, 67108), (7258, 44150), (8830, 36290), (9550, 33554), (14516, 22075), (16777, 19100), (17660, 18145)]