221559380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 581071680

約数和(自身を除く): 359512300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 73, 76, 95, 98, 133, 140, 146, 163, 190, 196, 245, 266, 292, 326, 365, 380, 490, 511, 532, 652, 665, 730, 815, 931, 980, 1022, 1141, 1330, 1387, 1460, 1630, 1862, 2044, 2282, 2555, 2660, 2774, 3097, 3260, 3577, 3724, 4564, 4655, 5110, 5548, 5705, 6194, 6935, 7154, 7987, 9310, 9709, 10220, 11410, 11899, 12388, 13870, 14308, 15485, 15974, 17885, 18620, 19418, 21679, 22820, 23798, 27740, 30970, 31948, 35770, 38836, 39935, 43358, 47596, 48545, 59495, 61940, 67963, 71540, 79870, 83293, 86716, 97090, 108395, 118990, 135926, 151753, 159740, 166586, 194180, 216790, 226081, 237980, 271852, 303506, 333172, 339815, 416465, 433580, 452162, 583051, 607012, 679630, 758765, 832930, 904324, 1130405, 1166102, 1359260, 1517530, 1582567, 1665860, 2260810, 2332204, 2915255, 3035060, 3165134, 4521620, 5830510, 6330268, 7912835, 11077969, 11661020, 15825670, 22155938, 31651340, 44311876, 55389845, 110779690, 221559380]

約数ペア:

[(1, 221559380), (2, 110779690), (4, 55389845), (5, 44311876), (7, 31651340), (10, 22155938), (14, 15825670), (19, 11661020), (20, 11077969), (28, 7912835), (35, 6330268), (38, 5830510), (49, 4521620), (70, 3165134), (73, 3035060), (76, 2915255), (95, 2332204), (98, 2260810), (133, 1665860), (140, 1582567), (146, 1517530), (163, 1359260), (190, 1166102), (196, 1130405), (245, 904324), (266, 832930), (292, 758765), (326, 679630), (365, 607012), (380, 583051), (490, 452162), (511, 433580), (532, 416465), (652, 339815), (665, 333172), (730, 303506), (815, 271852), (931, 237980), (980, 226081), (1022, 216790), (1141, 194180), (1330, 166586), (1387, 159740), (1460, 151753), (1630, 135926), (1862, 118990), (2044, 108395), (2282, 97090), (2555, 86716), (2660, 83293), (2774, 79870), (3097, 71540), (3260, 67963), (3577, 61940), (3724, 59495), (4564, 48545), (4655, 47596), (5110, 43358), (5548, 39935), (5705, 38836), (6194, 35770), (6935, 31948), (7154, 30970), (7987, 27740), (9310, 23798), (9709, 22820), (10220, 21679), (11410, 19418), (11899, 18620), (12388, 17885), (13870, 15974), (14308, 15485)]