221969340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 718230240

約数和(自身を除く): 496260900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 251, 255, 289, 306, 340, 502, 510, 578, 612, 753, 765, 867, 1004, 1020, 1156, 1255, 1445, 1506, 1530, 1734, 2259, 2510, 2601, 2890, 3012, 3060, 3468, 3765, 4267, 4335, 4518, 4913, 5020, 5202, 5780, 7530, 8534, 8670, 9036, 9826, 10404, 11295, 12801, 13005, 14739, 15060, 17068, 17340, 19652, 21335, 22590, 24565, 25602, 26010, 29478, 38403, 42670, 44217, 45180, 49130, 51204, 52020, 58956, 64005, 72539, 73695, 76806, 85340, 88434, 98260, 128010, 145078, 147390, 153612, 176868, 192015, 217617, 221085, 256020, 290156, 294780, 362695, 384030, 435234, 442170, 652851, 725390, 768060, 870468, 884340, 1088085, 1233163, 1305702, 1450780, 2176170, 2466326, 2611404, 3264255, 3699489, 4352340, 4932652, 6165815, 6528510, 7398978, 11098467, 12331630, 13057020, 14797956, 18497445, 22196934, 24663260, 36994890, 44393868, 55492335, 73989780, 110984670, 221969340]

約数ペア:

[(1, 221969340), (2, 110984670), (3, 73989780), (4, 55492335), (5, 44393868), (6, 36994890), (9, 24663260), (10, 22196934), (12, 18497445), (15, 14797956), (17, 13057020), (18, 12331630), (20, 11098467), (30, 7398978), (34, 6528510), (36, 6165815), (45, 4932652), (51, 4352340), (60, 3699489), (68, 3264255), (85, 2611404), (90, 2466326), (102, 2176170), (153, 1450780), (170, 1305702), (180, 1233163), (204, 1088085), (251, 884340), (255, 870468), (289, 768060), (306, 725390), (340, 652851), (502, 442170), (510, 435234), (578, 384030), (612, 362695), (753, 294780), (765, 290156), (867, 256020), (1004, 221085), (1020, 217617), (1156, 192015), (1255, 176868), (1445, 153612), (1506, 147390), (1530, 145078), (1734, 128010), (2259, 98260), (2510, 88434), (2601, 85340), (2890, 76806), (3012, 73695), (3060, 72539), (3468, 64005), (3765, 58956), (4267, 52020), (4335, 51204), (4518, 49130), (4913, 45180), (5020, 44217), (5202, 42670), (5780, 38403), (7530, 29478), (8534, 26010), (8670, 25602), (9036, 24565), (9826, 22590), (10404, 21335), (11295, 19652), (12801, 17340), (13005, 17068), (14739, 15060)]