2189936720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{38393}}^1$

素因数の和:38460

約数の個数: 80

約数和(自身を含む): 5484506112

約数和(自身を除く): 3294569392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 28520, 38393, 57040, 76786, 153572, 191965, 307144, 383930, 614288, 767860, 883039, 1190183, 1535720, 1766078, 2380366, 3071440, 3532156, 4415195, 4760732, 5950915, 7064312, 8830390, 9521464, 11901830, 14128624, 17660780, 19042928, 23803660, 27374209, 35321560, 47607320, 54748418, 70643120, 95214640, 109496836, 136871045, 218993672, 273742090, 437987344, 547484180, 1094968360, 2189936720]

約数ペア:

[(1, 2189936720), (2, 1094968360), (4, 547484180), (5, 437987344), (8, 273742090), (10, 218993672), (16, 136871045), (20, 109496836), (23, 95214640), (31, 70643120), (40, 54748418), (46, 47607320), (62, 35321560), (80, 27374209), (92, 23803660), (115, 19042928), (124, 17660780), (155, 14128624), (184, 11901830), (230, 9521464), (248, 8830390), (310, 7064312), (368, 5950915), (460, 4760732), (496, 4415195), (620, 3532156), (713, 3071440), (920, 2380366), (1240, 1766078), (1426, 1535720), (1840, 1190183), (2480, 883039), (2852, 767860), (3565, 614288), (5704, 383930), (7130, 307144), (11408, 191965), (14260, 153572), (28520, 76786), (38393, 57040)]