28214940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 86619456

約数和(自身を除く): 58404516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 593, 610, 732, 780, 793, 915, 1186, 1220, 1586, 1779, 1830, 2372, 2379, 2965, 3172, 3558, 3660, 3965, 4758, 5930, 7116, 7709, 7930, 8895, 9516, 11860, 11895, 15418, 15860, 17790, 23127, 23790, 30836, 35580, 36173, 38545, 46254, 47580, 72346, 77090, 92508, 108519, 115635, 144692, 154180, 180865, 217038, 231270, 361730, 434076, 462540, 470249, 542595, 723460, 940498, 1085190, 1410747, 1880996, 2170380, 2351245, 2821494, 4702490, 5642988, 7053735, 9404980, 14107470, 28214940]

約数ペア:

[(1, 28214940), (2, 14107470), (3, 9404980), (4, 7053735), (5, 5642988), (6, 4702490), (10, 2821494), (12, 2351245), (13, 2170380), (15, 1880996), (20, 1410747), (26, 1085190), (30, 940498), (39, 723460), (52, 542595), (60, 470249), (61, 462540), (65, 434076), (78, 361730), (122, 231270), (130, 217038), (156, 180865), (183, 154180), (195, 144692), (244, 115635), (260, 108519), (305, 92508), (366, 77090), (390, 72346), (593, 47580), (610, 46254), (732, 38545), (780, 36173), (793, 35580), (915, 30836), (1186, 23790), (1220, 23127), (1586, 17790), (1779, 15860), (1830, 15418), (2372, 11895), (2379, 11860), (2965, 9516), (3172, 8895), (3558, 7930), (3660, 7709), (3965, 7116), (4758, 5930)]