401048240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 1028505600

約数和(自身を除く): 627457360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 79, 80, 89, 92, 115, 124, 155, 158, 178, 184, 230, 248, 310, 316, 356, 368, 395, 445, 460, 496, 620, 632, 712, 713, 790, 890, 920, 1240, 1264, 1424, 1426, 1580, 1780, 1817, 1840, 2047, 2449, 2480, 2759, 2852, 3160, 3560, 3565, 3634, 4094, 4898, 5518, 5704, 6320, 7031, 7120, 7130, 7268, 8188, 9085, 9796, 10235, 11036, 11408, 12245, 13795, 14062, 14260, 14536, 16376, 18170, 19592, 20470, 22072, 24490, 27590, 28124, 28520, 29072, 32752, 35155, 36340, 39184, 40940, 44144, 48980, 55180, 56248, 56327, 57040, 63457, 70310, 72680, 81880, 97960, 110360, 112496, 112654, 126914, 140620, 145360, 161713, 163760, 195920, 217961, 220720, 225308, 253828, 281240, 281635, 317285, 323426, 435922, 450616, 507656, 562480, 563270, 634570, 646852, 808565, 871844, 901232, 1015312, 1089805, 1126540, 1269140, 1293704, 1617130, 1743688, 2179610, 2253080, 2538280, 2587408, 3234260, 3487376, 4359220, 4506160, 5013103, 5076560, 6468520, 8718440, 10026206, 12937040, 17436880, 20052412, 25065515, 40104824, 50131030, 80209648, 100262060, 200524120, 401048240]

約数ペア:

[(1, 401048240), (2, 200524120), (4, 100262060), (5, 80209648), (8, 50131030), (10, 40104824), (16, 25065515), (20, 20052412), (23, 17436880), (31, 12937040), (40, 10026206), (46, 8718440), (62, 6468520), (79, 5076560), (80, 5013103), (89, 4506160), (92, 4359220), (115, 3487376), (124, 3234260), (155, 2587408), (158, 2538280), (178, 2253080), (184, 2179610), (230, 1743688), (248, 1617130), (310, 1293704), (316, 1269140), (356, 1126540), (368, 1089805), (395, 1015312), (445, 901232), (460, 871844), (496, 808565), (620, 646852), (632, 634570), (712, 563270), (713, 562480), (790, 507656), (890, 450616), (920, 435922), (1240, 323426), (1264, 317285), (1424, 281635), (1426, 281240), (1580, 253828), (1780, 225308), (1817, 220720), (1840, 217961), (2047, 195920), (2449, 163760), (2480, 161713), (2759, 145360), (2852, 140620), (3160, 126914), (3560, 112654), (3565, 112496), (3634, 110360), (4094, 97960), (4898, 81880), (5518, 72680), (5704, 70310), (6320, 63457), (7031, 57040), (7120, 56327), (7130, 56248), (7268, 55180), (8188, 48980), (9085, 44144), (9796, 40940), (10235, 39184), (11036, 36340), (11408, 35155), (12245, 32752), (13795, 29072), (14062, 28520), (14260, 28124), (14536, 27590), (16376, 24490), (18170, 22072), (19592, 20470)]