2173290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 6082560

約数和(自身を除く): 3909270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 131, 158, 210, 237, 262, 393, 395, 474, 553, 655, 786, 790, 917, 1106, 1185, 1310, 1659, 1834, 1965, 2370, 2751, 2765, 3318, 3930, 4585, 5502, 5530, 8295, 9170, 10349, 13755, 16590, 20698, 27510, 31047, 51745, 62094, 72443, 103490, 144886, 155235, 217329, 310470, 362215, 434658, 724430, 1086645, 2173290]

約数ペア:

[(1, 2173290), (2, 1086645), (3, 724430), (5, 434658), (6, 362215), (7, 310470), (10, 217329), (14, 155235), (15, 144886), (21, 103490), (30, 72443), (35, 62094), (42, 51745), (70, 31047), (79, 27510), (105, 20698), (131, 16590), (158, 13755), (210, 10349), (237, 9170), (262, 8295), (393, 5530), (395, 5502), (474, 4585), (553, 3930), (655, 3318), (786, 2765), (790, 2751), (917, 2370), (1106, 1965), (1185, 1834), (1310, 1659)]