214940860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 491725584

約数和(自身を除く): 276784724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 289, 340, 410, 578, 697, 820, 907, 1156, 1394, 1445, 1814, 2788, 2890, 3485, 3628, 4535, 5780, 6970, 9070, 11849, 13940, 15419, 18140, 23698, 30838, 37187, 47396, 59245, 61676, 74374, 77095, 118490, 148748, 154190, 185935, 236980, 262123, 308380, 371870, 524246, 632179, 743740, 1048492, 1264358, 1310615, 2528716, 2621230, 3160895, 5242460, 6321790, 10747043, 12643580, 21494086, 42988172, 53735215, 107470430, 214940860]

約数ペア:

[(1, 214940860), (2, 107470430), (4, 53735215), (5, 42988172), (10, 21494086), (17, 12643580), (20, 10747043), (34, 6321790), (41, 5242460), (68, 3160895), (82, 2621230), (85, 2528716), (164, 1310615), (170, 1264358), (205, 1048492), (289, 743740), (340, 632179), (410, 524246), (578, 371870), (697, 308380), (820, 262123), (907, 236980), (1156, 185935), (1394, 154190), (1445, 148748), (1814, 118490), (2788, 77095), (2890, 74374), (3485, 61676), (3628, 59245), (4535, 47396), (5780, 37187), (6970, 30838), (9070, 23698), (11849, 18140), (13940, 15419)]