291417.00000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 27941760

約数和(自身を除く): 17285790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 307, 390, 445, 534, 614, 890, 921, 1157, 1335, 1535, 1842, 2314, 2670, 3070, 3471, 3991, 4605, 5785, 6942, 7982, 9210, 11570, 11973, 17355, 19955, 23946, 27323, 34710, 39910, 54646, 59865, 81969, 119730, 136615, 163938, 273230, 355199, 409845, 710398, 819690, 1065597, 1775995, 2131194, 3551990, 5327985, 10655970]

約数ペア:

[(1, 10655970), (2, 5327985), (3, 3551990), (5, 2131194), (6, 1775995), (10, 1065597), (13, 819690), (15, 710398), (26, 409845), (30, 355199), (39, 273230), (65, 163938), (78, 136615), (89, 119730), (130, 81969), (178, 59865), (195, 54646), (267, 39910), (307, 34710), (390, 27323), (445, 23946), (534, 19955), (614, 17355), (890, 11973), (921, 11570), (1157, 9210), (1335, 7982), (1535, 6942), (1842, 5785), (2314, 4605), (2670, 3991), (3070, 3471)]