9968304020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{2161}}^1$

素因数の和:2449

約数の個数: 96

約数和(自身を含む): 22519392000

約数和(自身を除く): 12551087980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 199, 244, 305, 380, 398, 610, 796, 995, 1159, 1220, 1990, 2161, 2318, 3781, 3980, 4322, 4636, 5795, 7562, 8644, 10805, 11590, 12139, 15124, 18905, 21610, 23180, 24278, 37810, 41059, 43220, 48556, 60695, 75620, 82118, 121390, 131821, 164236, 205295, 230641, 242780, 263642, 410590, 430039, 461282, 527284, 659105, 821180, 860078, 922564, 1153205, 1318210, 1720156, 2150195, 2306410, 2504599, 2636420, 4300390, 4612820, 5009198, 8170741, 8600780, 10018396, 12522995, 16341482, 25045990, 26232379, 32682964, 40853705, 50091980, 52464758, 81707410, 104929516, 131161895, 163414820, 262323790, 498415201, 524647580, 996830402, 1993660804, 2492076005, 4984152010, 9968304020]

約数ペア:

[(1, 9968304020), (2, 4984152010), (4, 2492076005), (5, 1993660804), (10, 996830402), (19, 524647580), (20, 498415201), (38, 262323790), (61, 163414820), (76, 131161895), (95, 104929516), (122, 81707410), (190, 52464758), (199, 50091980), (244, 40853705), (305, 32682964), (380, 26232379), (398, 25045990), (610, 16341482), (796, 12522995), (995, 10018396), (1159, 8600780), (1220, 8170741), (1990, 5009198), (2161, 4612820), (2318, 4300390), (3781, 2636420), (3980, 2504599), (4322, 2306410), (4636, 2150195), (5795, 1720156), (7562, 1318210), (8644, 1153205), (10805, 922564), (11590, 860078), (12139, 821180), (15124, 659105), (18905, 527284), (21610, 461282), (23180, 430039), (24278, 410590), (37810, 263642), (41059, 242780), (43220, 230641), (48556, 205295), (60695, 164236), (75620, 131821), (82118, 121390)]