27977500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 90

約数和(自身を含む): 66653664

約数和(自身を除く): 38676164

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 125, 155, 190, 250, 310, 361, 380, 475, 500, 589, 620, 625, 722, 775, 950, 1178, 1250, 1444, 1550, 1805, 1900, 2356, 2375, 2500, 2945, 3100, 3610, 3875, 4750, 5890, 7220, 7750, 9025, 9500, 11191, 11780, 11875, 14725, 15500, 18050, 19375, 22382, 23750, 29450, 36100, 38750, 44764, 45125, 47500, 55955, 58900, 73625, 77500, 90250, 111910, 147250, 180500, 223820, 225625, 279775, 294500, 368125, 451250, 559550, 736250, 902500, 1119100, 1398875, 1472500, 2797750, 5595500, 6994375, 13988750, 27977500]

約数ペア:

[(1, 27977500), (2, 13988750), (4, 6994375), (5, 5595500), (10, 2797750), (19, 1472500), (20, 1398875), (25, 1119100), (31, 902500), (38, 736250), (50, 559550), (62, 451250), (76, 368125), (95, 294500), (100, 279775), (124, 225625), (125, 223820), (155, 180500), (190, 147250), (250, 111910), (310, 90250), (361, 77500), (380, 73625), (475, 58900), (500, 55955), (589, 47500), (620, 45125), (625, 44764), (722, 38750), (775, 36100), (950, 29450), (1178, 23750), (1250, 22382), (1444, 19375), (1550, 18050), (1805, 15500), (1900, 14725), (2356, 11875), (2375, 11780), (2500, 11191), (2945, 9500), (3100, 9025), (3610, 7750), (3875, 7220), (4750, 5890)]