189540820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 507451392

約数和(自身を除く): 317910572

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 49, 62, 68, 70, 85, 98, 119, 124, 140, 155, 170, 196, 217, 238, 245, 310, 340, 367, 434, 476, 490, 527, 595, 620, 734, 833, 868, 980, 1054, 1085, 1190, 1468, 1519, 1666, 1835, 2108, 2170, 2380, 2569, 2635, 3038, 3332, 3670, 3689, 4165, 4340, 5138, 5270, 6076, 6239, 7340, 7378, 7595, 8330, 10276, 10540, 11377, 12478, 12845, 14756, 15190, 16660, 17983, 18445, 22754, 24956, 25690, 25823, 30380, 31195, 35966, 36890, 43673, 45508, 51380, 51646, 56885, 62390, 71932, 73780, 79639, 87346, 89915, 103292, 113770, 124780, 129115, 159278, 174692, 179830, 193409, 218365, 227540, 258230, 305711, 318556, 359660, 386818, 398195, 436730, 516460, 557473, 611422, 773636, 796390, 873460, 967045, 1114946, 1222844, 1353863, 1528555, 1592780, 1934090, 2229892, 2707726, 2787365, 3057110, 3868180, 5415452, 5574730, 6114220, 6769315, 9477041, 11149460, 13538630, 18954082, 27077260, 37908164, 47385205, 94770410, 189540820]

約数ペア:

[(1, 189540820), (2, 94770410), (4, 47385205), (5, 37908164), (7, 27077260), (10, 18954082), (14, 13538630), (17, 11149460), (20, 9477041), (28, 6769315), (31, 6114220), (34, 5574730), (35, 5415452), (49, 3868180), (62, 3057110), (68, 2787365), (70, 2707726), (85, 2229892), (98, 1934090), (119, 1592780), (124, 1528555), (140, 1353863), (155, 1222844), (170, 1114946), (196, 967045), (217, 873460), (238, 796390), (245, 773636), (310, 611422), (340, 557473), (367, 516460), (434, 436730), (476, 398195), (490, 386818), (527, 359660), (595, 318556), (620, 305711), (734, 258230), (833, 227540), (868, 218365), (980, 193409), (1054, 179830), (1085, 174692), (1190, 159278), (1468, 129115), (1519, 124780), (1666, 113770), (1835, 103292), (2108, 89915), (2170, 87346), (2380, 79639), (2569, 73780), (2635, 71932), (3038, 62390), (3332, 56885), (3670, 51646), (3689, 51380), (4165, 45508), (4340, 43673), (5138, 36890), (5270, 35966), (6076, 31195), (6239, 30380), (7340, 25823), (7378, 25690), (7595, 24956), (8330, 22754), (10276, 18445), (10540, 17983), (11377, 16660), (12478, 15190), (12845, 14756)]