768804940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 1768713408

約数和(自身を除く): 999908468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 131, 164, 170, 205, 262, 340, 410, 421, 524, 655, 697, 820, 842, 1310, 1394, 1684, 2105, 2227, 2620, 2788, 3485, 4210, 4454, 5371, 6970, 7157, 8420, 8908, 10742, 11135, 13940, 14314, 17261, 21484, 22270, 26855, 28628, 34522, 35785, 44540, 53710, 55151, 69044, 71570, 86305, 91307, 107420, 110302, 143140, 172610, 182614, 220604, 275755, 293437, 345220, 365228, 456535, 551510, 586874, 913070, 937567, 1103020, 1173748, 1467185, 1826140, 1875134, 2261191, 2934370, 3750268, 4522382, 4687835, 5868740, 9044764, 9375670, 11305955, 18751340, 22611910, 38440247, 45223820, 76880494, 153760988, 192201235, 384402470, 768804940]

約数ペア:

[(1, 768804940), (2, 384402470), (4, 192201235), (5, 153760988), (10, 76880494), (17, 45223820), (20, 38440247), (34, 22611910), (41, 18751340), (68, 11305955), (82, 9375670), (85, 9044764), (131, 5868740), (164, 4687835), (170, 4522382), (205, 3750268), (262, 2934370), (340, 2261191), (410, 1875134), (421, 1826140), (524, 1467185), (655, 1173748), (697, 1103020), (820, 937567), (842, 913070), (1310, 586874), (1394, 551510), (1684, 456535), (2105, 365228), (2227, 345220), (2620, 293437), (2788, 275755), (3485, 220604), (4210, 182614), (4454, 172610), (5371, 143140), (6970, 110302), (7157, 107420), (8420, 91307), (8908, 86305), (10742, 71570), (11135, 69044), (13940, 55151), (14314, 53710), (17261, 44540), (21484, 35785), (22270, 34522), (26855, 28628)]