405492400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:719

約数の個数: 120

約数和(自身を含む): 1026255744

約数和(自身を除く): 620763344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 53, 62, 80, 100, 106, 124, 155, 200, 212, 248, 265, 310, 400, 424, 496, 530, 617, 620, 775, 848, 1060, 1234, 1240, 1325, 1550, 1643, 2120, 2468, 2480, 2650, 3085, 3100, 3286, 4240, 4936, 5300, 6170, 6200, 6572, 8215, 9872, 10600, 12340, 12400, 13144, 15425, 16430, 19127, 21200, 24680, 26288, 30850, 32701, 32860, 38254, 41075, 49360, 61700, 65402, 65720, 76508, 82150, 95635, 123400, 130804, 131440, 153016, 163505, 164300, 191270, 246800, 261608, 306032, 327010, 328600, 382540, 478175, 523216, 654020, 657200, 765080, 817525, 956350, 1013731, 1308040, 1530160, 1635050, 1912700, 2027462, 2616080, 3270100, 3825400, 4054924, 5068655, 6540200, 7650800, 8109848, 10137310, 13080400, 16219696, 20274620, 25343275, 40549240, 50686550, 81098480, 101373100, 202746200, 405492400]

約数ペア:

[(1, 405492400), (2, 202746200), (4, 101373100), (5, 81098480), (8, 50686550), (10, 40549240), (16, 25343275), (20, 20274620), (25, 16219696), (31, 13080400), (40, 10137310), (50, 8109848), (53, 7650800), (62, 6540200), (80, 5068655), (100, 4054924), (106, 3825400), (124, 3270100), (155, 2616080), (200, 2027462), (212, 1912700), (248, 1635050), (265, 1530160), (310, 1308040), (400, 1013731), (424, 956350), (496, 817525), (530, 765080), (617, 657200), (620, 654020), (775, 523216), (848, 478175), (1060, 382540), (1234, 328600), (1240, 327010), (1325, 306032), (1550, 261608), (1643, 246800), (2120, 191270), (2468, 164300), (2480, 163505), (2650, 153016), (3085, 131440), (3100, 130804), (3286, 123400), (4240, 95635), (4936, 82150), (5300, 76508), (6170, 65720), (6200, 65402), (6572, 61700), (8215, 49360), (9872, 41075), (10600, 38254), (12340, 32860), (12400, 32701), (13144, 30850), (15425, 26288), (16430, 24680), (19127, 21200)]