141970180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 337478400

約数和(自身を除く): 195508220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 71, 110, 122, 142, 149, 220, 244, 284, 298, 305, 355, 596, 610, 671, 710, 745, 781, 1220, 1342, 1420, 1490, 1562, 1639, 2684, 2980, 3124, 3278, 3355, 3905, 4331, 6556, 6710, 7810, 8195, 8662, 9089, 10579, 13420, 15620, 16390, 17324, 18178, 21158, 21655, 32780, 36356, 42316, 43310, 45445, 47641, 52895, 86620, 90890, 95282, 99979, 105790, 116369, 181780, 190564, 199958, 211580, 232738, 238205, 399916, 465476, 476410, 499895, 581845, 645319, 952820, 999790, 1163690, 1290638, 1999580, 2327380, 2581276, 3226595, 6453190, 7098509, 12906380, 14197018, 28394036, 35492545, 70985090, 141970180]

約数ペア:

[(1, 141970180), (2, 70985090), (4, 35492545), (5, 28394036), (10, 14197018), (11, 12906380), (20, 7098509), (22, 6453190), (44, 3226595), (55, 2581276), (61, 2327380), (71, 1999580), (110, 1290638), (122, 1163690), (142, 999790), (149, 952820), (220, 645319), (244, 581845), (284, 499895), (298, 476410), (305, 465476), (355, 399916), (596, 238205), (610, 232738), (671, 211580), (710, 199958), (745, 190564), (781, 181780), (1220, 116369), (1342, 105790), (1420, 99979), (1490, 95282), (1562, 90890), (1639, 86620), (2684, 52895), (2980, 47641), (3124, 45445), (3278, 43310), (3355, 42316), (3905, 36356), (4331, 32780), (6556, 21655), (6710, 21158), (7810, 18178), (8195, 17324), (8662, 16390), (9089, 15620), (10579, 13420)]