191917170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 516694464

約数和(自身を除く): 324777294

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 101, 129, 202, 215, 258, 303, 387, 430, 491, 505, 606, 645, 774, 909, 982, 1010, 1290, 1473, 1515, 1818, 1935, 2455, 2946, 3030, 3870, 4343, 4419, 4545, 4910, 7365, 8686, 8838, 9090, 13029, 14730, 21113, 21715, 22095, 26058, 39087, 42226, 43430, 44190, 49591, 63339, 65145, 78174, 99182, 105565, 126678, 130290, 148773, 190017, 195435, 211130, 247955, 297546, 316695, 380034, 390870, 446319, 495910, 633390, 743865, 892638, 950085, 1487730, 1900170, 2132413, 2231595, 4264826, 4463190, 6397239, 10662065, 12794478, 19191717, 21324130, 31986195, 38383434, 63972390, 95958585, 191917170]

約数ペア:

[(1, 191917170), (2, 95958585), (3, 63972390), (5, 38383434), (6, 31986195), (9, 21324130), (10, 19191717), (15, 12794478), (18, 10662065), (30, 6397239), (43, 4463190), (45, 4264826), (86, 2231595), (90, 2132413), (101, 1900170), (129, 1487730), (202, 950085), (215, 892638), (258, 743865), (303, 633390), (387, 495910), (430, 446319), (491, 390870), (505, 380034), (606, 316695), (645, 297546), (774, 247955), (909, 211130), (982, 195435), (1010, 190017), (1290, 148773), (1473, 130290), (1515, 126678), (1818, 105565), (1935, 99182), (2455, 78174), (2946, 65145), (3030, 63339), (3870, 49591), (4343, 44190), (4419, 43430), (4545, 42226), (4910, 39087), (7365, 26058), (8686, 22095), (8838, 21715), (9090, 21113), (13029, 14730)]