30985370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 64399104

約数和(自身を除く): 33413734

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 241, 299, 430, 482, 559, 598, 989, 1118, 1205, 1495, 1978, 2410, 2795, 2990, 3133, 4945, 5543, 5590, 6266, 9890, 10363, 11086, 12857, 15665, 20726, 25714, 27715, 31330, 51815, 55430, 64285, 72059, 103630, 128570, 134719, 144118, 238349, 269438, 360295, 476698, 673595, 720590, 1191745, 1347190, 2383490, 3098537, 6197074, 15492685, 30985370]

約数ペア:

[(1, 30985370), (2, 15492685), (5, 6197074), (10, 3098537), (13, 2383490), (23, 1347190), (26, 1191745), (43, 720590), (46, 673595), (65, 476698), (86, 360295), (115, 269438), (130, 238349), (215, 144118), (230, 134719), (241, 128570), (299, 103630), (430, 72059), (482, 64285), (559, 55430), (598, 51815), (989, 31330), (1118, 27715), (1205, 25714), (1495, 20726), (1978, 15665), (2410, 12857), (2795, 11086), (2990, 10363), (3133, 9890), (4945, 6266), (5543, 5590)]