40138490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 46952710

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 106, 155, 217, 265, 310, 349, 371, 434, 530, 698, 742, 1085, 1643, 1745, 1855, 2170, 2443, 3286, 3490, 3710, 4886, 8215, 10819, 11501, 12215, 16430, 18497, 21638, 23002, 24430, 36994, 54095, 57505, 75733, 92485, 108190, 115010, 129479, 151466, 184970, 258958, 378665, 573407, 647395, 757330, 1146814, 1294790, 2867035, 4013849, 5734070, 8027698, 20069245, 40138490]

約数ペア:

[(1, 40138490), (2, 20069245), (5, 8027698), (7, 5734070), (10, 4013849), (14, 2867035), (31, 1294790), (35, 1146814), (53, 757330), (62, 647395), (70, 573407), (106, 378665), (155, 258958), (217, 184970), (265, 151466), (310, 129479), (349, 115010), (371, 108190), (434, 92485), (530, 75733), (698, 57505), (742, 54095), (1085, 36994), (1643, 24430), (1745, 23002), (1855, 21638), (2170, 18497), (2443, 16430), (3286, 12215), (3490, 11501), (3710, 10819), (4886, 8215)]