278364450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20393}}^1$

素因数の和:20428

約数の個数: 96

約数和(自身を含む): 849695616

約数和(自身を除く): 571331166

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1950, 2275, 2730, 4550, 6825, 13650, 20393, 40786, 61179, 101965, 122358, 142751, 203930, 265109, 285502, 305895, 428253, 509825, 530218, 611790, 713755, 795327, 856506, 1019650, 1325545, 1427510, 1529475, 1590654, 1855763, 2141265, 2651090, 3058950, 3568775, 3711526, 3976635, 4282530, 5567289, 6627725, 7137550, 7953270, 9278815, 10706325, 11134578, 13255450, 18557630, 19883175, 21412650, 27836445, 39766350, 46394075, 55672890, 92788150, 139182225, 278364450]

約数ペア:

[(1, 278364450), (2, 139182225), (3, 92788150), (5, 55672890), (6, 46394075), (7, 39766350), (10, 27836445), (13, 21412650), (14, 19883175), (15, 18557630), (21, 13255450), (25, 11134578), (26, 10706325), (30, 9278815), (35, 7953270), (39, 7137550), (42, 6627725), (50, 5567289), (65, 4282530), (70, 3976635), (75, 3711526), (78, 3568775), (91, 3058950), (105, 2651090), (130, 2141265), (150, 1855763), (175, 1590654), (182, 1529475), (195, 1427510), (210, 1325545), (273, 1019650), (325, 856506), (350, 795327), (390, 713755), (455, 611790), (525, 530218), (546, 509825), (650, 428253), (910, 305895), (975, 285502), (1050, 265109), (1365, 203930), (1950, 142751), (2275, 122358), (2730, 101965), (4550, 61179), (6825, 40786), (13650, 20393)]