91893880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 147606920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 71, 76, 95, 104, 130, 131, 142, 152, 190, 247, 260, 262, 284, 355, 380, 494, 520, 524, 568, 655, 710, 760, 923, 988, 1048, 1235, 1310, 1349, 1420, 1703, 1846, 1976, 2470, 2489, 2620, 2698, 2840, 3406, 3692, 4615, 4940, 4978, 5240, 5396, 6745, 6812, 7384, 8515, 9230, 9301, 9880, 9956, 10792, 12445, 13490, 13624, 17030, 17537, 18460, 18602, 19912, 24890, 26980, 32357, 34060, 35074, 36920, 37204, 46505, 49780, 53960, 64714, 68120, 70148, 74408, 87685, 93010, 99560, 120913, 129428, 140296, 161785, 175370, 176719, 186020, 241826, 258856, 323570, 350740, 353438, 372040, 483652, 604565, 647140, 701480, 706876, 883595, 967304, 1209130, 1294280, 1413752, 1767190, 2297347, 2418260, 3534380, 4594694, 4836520, 7068760, 9189388, 11486735, 18378776, 22973470, 45946940, 91893880]

約数ペア:

[(1, 91893880), (2, 45946940), (4, 22973470), (5, 18378776), (8, 11486735), (10, 9189388), (13, 7068760), (19, 4836520), (20, 4594694), (26, 3534380), (38, 2418260), (40, 2297347), (52, 1767190), (65, 1413752), (71, 1294280), (76, 1209130), (95, 967304), (104, 883595), (130, 706876), (131, 701480), (142, 647140), (152, 604565), (190, 483652), (247, 372040), (260, 353438), (262, 350740), (284, 323570), (355, 258856), (380, 241826), (494, 186020), (520, 176719), (524, 175370), (568, 161785), (655, 140296), (710, 129428), (760, 120913), (923, 99560), (988, 93010), (1048, 87685), (1235, 74408), (1310, 70148), (1349, 68120), (1420, 64714), (1703, 53960), (1846, 49780), (1976, 46505), (2470, 37204), (2489, 36920), (2620, 35074), (2698, 34060), (2840, 32357), (3406, 26980), (3692, 24890), (4615, 19912), (4940, 18602), (4978, 18460), (5240, 17537), (5396, 17030), (6745, 13624), (6812, 13490), (7384, 12445), (8515, 10792), (9230, 9956), (9301, 9880)]