278344870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 544008960

約数和(自身を除く): 265664090

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 131, 190, 211, 262, 265, 422, 530, 655, 1007, 1055, 1310, 2014, 2110, 2489, 4009, 4978, 5035, 6943, 8018, 10070, 11183, 12445, 13886, 20045, 22366, 24890, 27641, 34715, 40090, 55282, 55915, 69430, 111830, 131917, 138205, 212477, 263834, 276410, 424954, 525179, 659585, 1050358, 1062385, 1319170, 1464973, 2124770, 2625895, 2929946, 5251790, 7324865, 14649730, 27834487, 55668974, 139172435, 278344870]

約数ペア:

[(1, 278344870), (2, 139172435), (5, 55668974), (10, 27834487), (19, 14649730), (38, 7324865), (53, 5251790), (95, 2929946), (106, 2625895), (131, 2124770), (190, 1464973), (211, 1319170), (262, 1062385), (265, 1050358), (422, 659585), (530, 525179), (655, 424954), (1007, 276410), (1055, 263834), (1310, 212477), (2014, 138205), (2110, 131917), (2489, 111830), (4009, 69430), (4978, 55915), (5035, 55282), (6943, 40090), (8018, 34715), (10070, 27641), (11183, 24890), (12445, 22366), (13886, 20045)]