378841880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2153}}^1$

素因数の和:2300

約数の個数: 64

約数和(自身を含む): 879348960

約数和(自身を除く): 500507080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 83, 106, 166, 212, 265, 332, 415, 424, 530, 664, 830, 1060, 1660, 2120, 2153, 3320, 4306, 4399, 8612, 8798, 10765, 17224, 17596, 21530, 21995, 35192, 43060, 43990, 86120, 87980, 114109, 175960, 178699, 228218, 357398, 456436, 570545, 714796, 893495, 912872, 1141090, 1429592, 1786990, 2282180, 3573980, 4564360, 7147960, 9471047, 18942094, 37884188, 47355235, 75768376, 94710470, 189420940, 378841880]

約数ペア:

[(1, 378841880), (2, 189420940), (4, 94710470), (5, 75768376), (8, 47355235), (10, 37884188), (20, 18942094), (40, 9471047), (53, 7147960), (83, 4564360), (106, 3573980), (166, 2282180), (212, 1786990), (265, 1429592), (332, 1141090), (415, 912872), (424, 893495), (530, 714796), (664, 570545), (830, 456436), (1060, 357398), (1660, 228218), (2120, 178699), (2153, 175960), (3320, 114109), (4306, 87980), (4399, 86120), (8612, 43990), (8798, 43060), (10765, 35192), (17224, 21995), (17596, 21530)]