171989860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1793

約数の個数: 96

約数和(自身を含む): 444874752

約数和(自身を除く): 272884892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 1723, 2170, 2852, 3220, 3446, 3565, 4340, 4991, 6892, 7130, 8615, 9982, 12061, 14260, 17230, 19964, 24122, 24955, 34460, 39629, 48244, 49910, 53413, 60305, 79258, 99820, 106826, 120610, 158516, 198145, 213652, 241220, 267065, 277403, 373891, 396290, 534130, 554806, 747782, 792580, 1068260, 1109612, 1228499, 1387015, 1495564, 1869455, 2456998, 2774030, 3738910, 4913996, 5548060, 6142495, 7477820, 8599493, 12284990, 17198986, 24569980, 34397972, 42997465, 85994930, 171989860]

約数ペア:

[(1, 171989860), (2, 85994930), (4, 42997465), (5, 34397972), (7, 24569980), (10, 17198986), (14, 12284990), (20, 8599493), (23, 7477820), (28, 6142495), (31, 5548060), (35, 4913996), (46, 3738910), (62, 2774030), (70, 2456998), (92, 1869455), (115, 1495564), (124, 1387015), (140, 1228499), (155, 1109612), (161, 1068260), (217, 792580), (230, 747782), (310, 554806), (322, 534130), (434, 396290), (460, 373891), (620, 277403), (644, 267065), (713, 241220), (805, 213652), (868, 198145), (1085, 158516), (1426, 120610), (1610, 106826), (1723, 99820), (2170, 79258), (2852, 60305), (3220, 53413), (3446, 49910), (3565, 48244), (4340, 39629), (4991, 34460), (6892, 24955), (7130, 24122), (8615, 19964), (9982, 17230), (12061, 14260)]