438215960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1081

約数の個数: 128

約数和(自身を含む): 1224115200

約数和(自身を除く): 785899240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 131, 140, 182, 260, 262, 280, 364, 455, 520, 524, 655, 728, 910, 917, 919, 1048, 1310, 1703, 1820, 1834, 1838, 2620, 3406, 3640, 3668, 3676, 4585, 4595, 5240, 6433, 6812, 7336, 7352, 8515, 9170, 9190, 11921, 11947, 12866, 13624, 17030, 18340, 18380, 23842, 23894, 25732, 32165, 34060, 36680, 36760, 47684, 47788, 51464, 59605, 59735, 64330, 68120, 83629, 95368, 95576, 119210, 119470, 120389, 128660, 167258, 238420, 238940, 240778, 257320, 334516, 418145, 476840, 477880, 481556, 601945, 669032, 836290, 842723, 963112, 1203890, 1565057, 1672580, 1685446, 2407780, 3130114, 3345160, 3370892, 4213615, 4815560, 6260228, 6741784, 7825285, 8427230, 10955399, 12520456, 15650570, 16854460, 21910798, 31301140, 33708920, 43821596, 54776995, 62602280, 87643192, 109553990, 219107980, 438215960]

約数ペア:

[(1, 438215960), (2, 219107980), (4, 109553990), (5, 87643192), (7, 62602280), (8, 54776995), (10, 43821596), (13, 33708920), (14, 31301140), (20, 21910798), (26, 16854460), (28, 15650570), (35, 12520456), (40, 10955399), (52, 8427230), (56, 7825285), (65, 6741784), (70, 6260228), (91, 4815560), (104, 4213615), (130, 3370892), (131, 3345160), (140, 3130114), (182, 2407780), (260, 1685446), (262, 1672580), (280, 1565057), (364, 1203890), (455, 963112), (520, 842723), (524, 836290), (655, 669032), (728, 601945), (910, 481556), (917, 477880), (919, 476840), (1048, 418145), (1310, 334516), (1703, 257320), (1820, 240778), (1834, 238940), (1838, 238420), (2620, 167258), (3406, 128660), (3640, 120389), (3668, 119470), (3676, 119210), (4585, 95576), (4595, 95368), (5240, 83629), (6433, 68120), (6812, 64330), (7336, 59735), (7352, 59605), (8515, 51464), (9170, 47788), (9190, 47684), (11921, 36760), (11947, 36680), (12866, 34060), (13624, 32165), (17030, 25732), (18340, 23894), (18380, 23842)]