72741500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 186391296

約数和(自身を除く): 113649796

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 31, 38, 50, 52, 62, 65, 76, 95, 100, 124, 125, 130, 155, 190, 247, 250, 260, 310, 325, 361, 380, 403, 475, 494, 500, 589, 620, 650, 722, 775, 806, 950, 988, 1178, 1235, 1300, 1444, 1550, 1612, 1625, 1805, 1900, 2015, 2356, 2375, 2470, 2945, 3100, 3250, 3610, 3875, 4030, 4693, 4750, 4940, 5890, 6175, 6500, 7220, 7657, 7750, 8060, 9025, 9386, 9500, 10075, 11191, 11780, 12350, 14725, 15314, 15500, 18050, 18772, 20150, 22382, 23465, 24700, 29450, 30628, 30875, 36100, 38285, 40300, 44764, 45125, 46930, 50375, 55955, 58900, 61750, 73625, 76570, 90250, 93860, 100750, 111910, 117325, 123500, 145483, 147250, 153140, 180500, 191425, 201500, 223820, 234650, 279775, 290966, 294500, 382850, 469300, 559550, 581932, 586625, 727415, 765700, 957125, 1119100, 1173250, 1398875, 1454830, 1914250, 2346500, 2797750, 2909660, 3637075, 3828500, 5595500, 7274150, 14548300, 18185375, 36370750, 72741500]

約数ペア:

[(1, 72741500), (2, 36370750), (4, 18185375), (5, 14548300), (10, 7274150), (13, 5595500), (19, 3828500), (20, 3637075), (25, 2909660), (26, 2797750), (31, 2346500), (38, 1914250), (50, 1454830), (52, 1398875), (62, 1173250), (65, 1119100), (76, 957125), (95, 765700), (100, 727415), (124, 586625), (125, 581932), (130, 559550), (155, 469300), (190, 382850), (247, 294500), (250, 290966), (260, 279775), (310, 234650), (325, 223820), (361, 201500), (380, 191425), (403, 180500), (475, 153140), (494, 147250), (500, 145483), (589, 123500), (620, 117325), (650, 111910), (722, 100750), (775, 93860), (806, 90250), (950, 76570), (988, 73625), (1178, 61750), (1235, 58900), (1300, 55955), (1444, 50375), (1550, 46930), (1612, 45125), (1625, 44764), (1805, 40300), (1900, 38285), (2015, 36100), (2356, 30875), (2375, 30628), (2470, 29450), (2945, 24700), (3100, 23465), (3250, 22382), (3610, 20150), (3875, 18772), (4030, 18050), (4693, 15500), (4750, 15314), (4940, 14725), (5890, 12350), (6175, 11780), (6500, 11191), (7220, 10075), (7657, 9500), (7750, 9386), (8060, 9025)]