31351060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 77347872

約数和(自身を除く): 45996812

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 173, 205, 221, 260, 340, 346, 410, 442, 533, 692, 697, 820, 865, 884, 1066, 1105, 1394, 1730, 2132, 2210, 2249, 2665, 2788, 2941, 3460, 3485, 4420, 4498, 5330, 5882, 6970, 7093, 8996, 9061, 10660, 11245, 11764, 13940, 14186, 14705, 18122, 22490, 28372, 29410, 35465, 36244, 38233, 44980, 45305, 58820, 70930, 76466, 90610, 92209, 120581, 141860, 152932, 181220, 184418, 191165, 241162, 368836, 382330, 461045, 482324, 602905, 764660, 922090, 1205810, 1567553, 1844180, 2411620, 3135106, 6270212, 7837765, 15675530, 31351060]

約数ペア:

[(1, 31351060), (2, 15675530), (4, 7837765), (5, 6270212), (10, 3135106), (13, 2411620), (17, 1844180), (20, 1567553), (26, 1205810), (34, 922090), (41, 764660), (52, 602905), (65, 482324), (68, 461045), (82, 382330), (85, 368836), (130, 241162), (164, 191165), (170, 184418), (173, 181220), (205, 152932), (221, 141860), (260, 120581), (340, 92209), (346, 90610), (410, 76466), (442, 70930), (533, 58820), (692, 45305), (697, 44980), (820, 38233), (865, 36244), (884, 35465), (1066, 29410), (1105, 28372), (1394, 22490), (1730, 18122), (2132, 14705), (2210, 14186), (2249, 13940), (2665, 11764), (2788, 11245), (2941, 10660), (3460, 9061), (3485, 8996), (4420, 7093), (4498, 6970), (5330, 5882)]