40071990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1103}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 110647296

約数和(自身を除く): 70575306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 173, 210, 346, 519, 865, 1038, 1103, 1211, 1730, 2206, 2422, 2595, 3309, 3633, 5190, 5515, 6055, 6618, 7266, 7721, 11030, 12110, 15442, 16545, 18165, 23163, 33090, 36330, 38605, 46326, 77210, 115815, 190819, 231630, 381638, 572457, 954095, 1144914, 1335733, 1908190, 2671466, 2862285, 4007199, 5724570, 6678665, 8014398, 13357330, 20035995, 40071990]

約数ペア:

[(1, 40071990), (2, 20035995), (3, 13357330), (5, 8014398), (6, 6678665), (7, 5724570), (10, 4007199), (14, 2862285), (15, 2671466), (21, 1908190), (30, 1335733), (35, 1144914), (42, 954095), (70, 572457), (105, 381638), (173, 231630), (210, 190819), (346, 115815), (519, 77210), (865, 46326), (1038, 38605), (1103, 36330), (1211, 33090), (1730, 23163), (2206, 18165), (2422, 16545), (2595, 15442), (3309, 12110), (3633, 11030), (5190, 7721), (5515, 7266), (6055, 6618)]