51894700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 139991040

約数和(自身を除く): 88096340

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 25, 26, 38, 44, 50, 52, 55, 65, 76, 95, 100, 110, 130, 143, 190, 191, 209, 220, 247, 260, 275, 286, 325, 380, 382, 418, 475, 494, 550, 572, 650, 715, 764, 836, 950, 955, 988, 1045, 1100, 1235, 1300, 1430, 1900, 1910, 2090, 2101, 2470, 2483, 2717, 2860, 3575, 3629, 3820, 4180, 4202, 4775, 4940, 4966, 5225, 5434, 6175, 7150, 7258, 8404, 9550, 9932, 10450, 10505, 10868, 12350, 12415, 13585, 14300, 14516, 18145, 19100, 20900, 21010, 24700, 24830, 27170, 27313, 36290, 39919, 42020, 47177, 49660, 52525, 54340, 54626, 62075, 67925, 72580, 79838, 90725, 94354, 105050, 109252, 124150, 135850, 136565, 159676, 181450, 188708, 199595, 210100, 235885, 248300, 271700, 273130, 362900, 399190, 471770, 518947, 546260, 682825, 798380, 943540, 997975, 1037894, 1179425, 1365650, 1995950, 2075788, 2358850, 2594735, 2731300, 3991900, 4717700, 5189470, 10378940, 12973675, 25947350, 51894700]

約数ペア:

[(1, 51894700), (2, 25947350), (4, 12973675), (5, 10378940), (10, 5189470), (11, 4717700), (13, 3991900), (19, 2731300), (20, 2594735), (22, 2358850), (25, 2075788), (26, 1995950), (38, 1365650), (44, 1179425), (50, 1037894), (52, 997975), (55, 943540), (65, 798380), (76, 682825), (95, 546260), (100, 518947), (110, 471770), (130, 399190), (143, 362900), (190, 273130), (191, 271700), (209, 248300), (220, 235885), (247, 210100), (260, 199595), (275, 188708), (286, 181450), (325, 159676), (380, 136565), (382, 135850), (418, 124150), (475, 109252), (494, 105050), (550, 94354), (572, 90725), (650, 79838), (715, 72580), (764, 67925), (836, 62075), (950, 54626), (955, 54340), (988, 52525), (1045, 49660), (1100, 47177), (1235, 42020), (1300, 39919), (1430, 36290), (1900, 27313), (1910, 27170), (2090, 24830), (2101, 24700), (2470, 21010), (2483, 20900), (2717, 19100), (2860, 18145), (3575, 14516), (3629, 14300), (3820, 13585), (4180, 12415), (4202, 12350), (4775, 10868), (4940, 10505), (4966, 10450), (5225, 9932), (5434, 9550), (6175, 8404), (7150, 7258)]