21877888770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{4289}}^1$

素因数の和:4497

約数の個数: 144

約数和(自身を含む): 60430364280

約数和(自身を除く): 38552475510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 157, 171, 190, 285, 314, 342, 361, 471, 570, 722, 785, 855, 942, 1083, 1413, 1570, 1710, 1805, 2166, 2355, 2826, 2983, 3249, 3610, 4289, 4710, 5415, 5966, 6498, 7065, 8578, 8949, 10830, 12867, 14130, 14915, 16245, 17898, 21445, 25734, 26847, 29830, 32490, 38601, 42890, 44745, 53694, 56677, 64335, 77202, 81491, 89490, 113354, 128670, 134235, 162982, 170031, 193005, 244473, 268470, 283385, 340062, 386010, 407455, 488946, 510093, 566770, 673373, 733419, 814910, 850155, 1020186, 1222365, 1346746, 1466838, 1548329, 1700310, 2020119, 2444730, 2550465, 3096658, 3366865, 3667095, 4040238, 4644987, 5100930, 6060357, 6733730, 7334190, 7741645, 9289974, 10100595, 12120714, 12794087, 13934961, 15483290, 20201190, 23224935, 25588174, 27869922, 30301785, 38382261, 46449870, 60603570, 63970435, 69674805, 76764522, 115146783, 127940870, 139349610, 191911305, 230293566, 243087653, 383822610, 486175306, 575733915, 729262959, 1151467830, 1215438265, 1458525918, 2187788877, 2430876530, 3646314795, 4375577754, 7292629590, 10938944385, 21877888770]

約数ペア:

[(1, 21877888770), (2, 10938944385), (3, 7292629590), (5, 4375577754), (6, 3646314795), (9, 2430876530), (10, 2187788877), (15, 1458525918), (18, 1215438265), (19, 1151467830), (30, 729262959), (38, 575733915), (45, 486175306), (57, 383822610), (90, 243087653), (95, 230293566), (114, 191911305), (157, 139349610), (171, 127940870), (190, 115146783), (285, 76764522), (314, 69674805), (342, 63970435), (361, 60603570), (471, 46449870), (570, 38382261), (722, 30301785), (785, 27869922), (855, 25588174), (942, 23224935), (1083, 20201190), (1413, 15483290), (1570, 13934961), (1710, 12794087), (1805, 12120714), (2166, 10100595), (2355, 9289974), (2826, 7741645), (2983, 7334190), (3249, 6733730), (3610, 6060357), (4289, 5100930), (4710, 4644987), (5415, 4040238), (5966, 3667095), (6498, 3366865), (7065, 3096658), (8578, 2550465), (8949, 2444730), (10830, 2020119), (12867, 1700310), (14130, 1548329), (14915, 1466838), (16245, 1346746), (17898, 1222365), (21445, 1020186), (25734, 850155), (26847, 814910), (29830, 733419), (32490, 673373), (38601, 566770), (42890, 510093), (44745, 488946), (53694, 407455), (56677, 386010), (64335, 340062), (77202, 283385), (81491, 268470), (89490, 244473), (113354, 193005), (128670, 170031), (134235, 162982)]