767888980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1049}}^1\times {\mathrm{2153}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 1709845200

約数和(自身を除く): 941956220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1049, 2098, 2153, 4196, 4306, 5245, 8612, 10490, 10765, 17833, 20980, 21530, 35666, 36601, 43060, 71332, 73202, 89165, 146404, 178330, 183005, 356660, 366010, 732020, 2258497, 4516994, 9033988, 11292485, 22584970, 38394449, 45169940, 76788898, 153577796, 191972245, 383944490, 767888980]

約数ペア:

[(1, 767888980), (2, 383944490), (4, 191972245), (5, 153577796), (10, 76788898), (17, 45169940), (20, 38394449), (34, 22584970), (68, 11292485), (85, 9033988), (170, 4516994), (340, 2258497), (1049, 732020), (2098, 366010), (2153, 356660), (4196, 183005), (4306, 178330), (5245, 146404), (8612, 89165), (10490, 73202), (10765, 71332), (17833, 43060), (20980, 36601), (21530, 35666)]