28994940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12391}}^1$

素因数の和:12419

約数の個数: 72

約数和(自身を含む): 94724448

約数和(自身を除く): 65729508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12391, 24782, 37173, 49564, 61955, 74346, 111519, 123910, 148692, 161083, 185865, 223038, 247820, 322166, 371730, 446076, 483249, 557595, 644332, 743460, 805415, 966498, 1115190, 1449747, 1610830, 1932996, 2230380, 2416245, 2899494, 3221660, 4832490, 5798988, 7248735, 9664980, 14497470, 28994940]

約数ペア:

[(1, 28994940), (2, 14497470), (3, 9664980), (4, 7248735), (5, 5798988), (6, 4832490), (9, 3221660), (10, 2899494), (12, 2416245), (13, 2230380), (15, 1932996), (18, 1610830), (20, 1449747), (26, 1115190), (30, 966498), (36, 805415), (39, 743460), (45, 644332), (52, 557595), (60, 483249), (65, 446076), (78, 371730), (90, 322166), (117, 247820), (130, 223038), (156, 185865), (180, 161083), (195, 148692), (234, 123910), (260, 111519), (390, 74346), (468, 61955), (585, 49564), (780, 37173), (1170, 24782), (2340, 12391)]