7138535980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1\times {\mathrm{563}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 16096469760

約数和(自身を除く): 8957933780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 547, 563, 610, 1094, 1126, 1159, 1220, 2188, 2252, 2318, 2735, 2815, 4636, 5470, 5630, 5795, 10393, 10697, 10940, 11260, 11590, 20786, 21394, 23180, 33367, 34343, 41572, 42788, 51965, 53485, 66734, 68686, 103930, 106970, 133468, 137372, 166835, 171715, 207860, 213940, 307961, 333670, 343430, 615922, 633973, 652517, 667340, 686860, 1231844, 1267946, 1305034, 1539805, 2535892, 2610068, 3079610, 3169865, 3262585, 5851259, 6159220, 6339730, 6525170, 11702518, 12679460, 13050340, 18785621, 23405036, 29256295, 37571242, 58512590, 75142484, 93928105, 117025180, 187856210, 356926799, 375712420, 713853598, 1427707196, 1784633995, 3569267990, 7138535980]

約数ペア:

[(1, 7138535980), (2, 3569267990), (4, 1784633995), (5, 1427707196), (10, 713853598), (19, 375712420), (20, 356926799), (38, 187856210), (61, 117025180), (76, 93928105), (95, 75142484), (122, 58512590), (190, 37571242), (244, 29256295), (305, 23405036), (380, 18785621), (547, 13050340), (563, 12679460), (610, 11702518), (1094, 6525170), (1126, 6339730), (1159, 6159220), (1220, 5851259), (2188, 3262585), (2252, 3169865), (2318, 3079610), (2735, 2610068), (2815, 2535892), (4636, 1539805), (5470, 1305034), (5630, 1267946), (5795, 1231844), (10393, 686860), (10697, 667340), (10940, 652517), (11260, 633973), (11590, 615922), (20786, 343430), (21394, 333670), (23180, 307961), (33367, 213940), (34343, 207860), (41572, 171715), (42788, 166835), (51965, 137372), (53485, 133468), (66734, 106970), (68686, 103930)]