2019299940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2477}}^1$

素因数の和:3146

約数の個数: 144

約数和(自身を含む): 7013889792

約数和(自身を除く): 4994589852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 647, 1260, 1294, 1941, 2477, 2588, 3235, 3882, 4529, 4954, 5823, 6470, 7431, 7764, 9058, 9705, 9908, 11646, 12385, 12940, 13587, 14862, 17339, 18116, 19410, 22293, 22645, 23292, 24770, 27174, 29115, 29724, 34678, 37155, 38820, 40761, 44586, 45290, 49540, 52017, 54348, 58230, 67935, 69356, 74310, 81522, 86695, 89172, 90580, 104034, 111465, 116460, 135870, 148620, 156051, 163044, 173390, 203805, 208068, 222930, 260085, 271740, 312102, 346780, 407610, 445860, 520170, 624204, 780255, 815220, 1040340, 1560510, 1602619, 3121020, 3205238, 4807857, 6410476, 8013095, 9615714, 11218333, 14423571, 16026190, 19231428, 22436666, 24039285, 28847142, 32052380, 33654999, 44873332, 48078570, 56091665, 57694284, 67309998, 72117855, 96157140, 100964997, 112183330, 134619996, 144235710, 168274995, 201929994, 224366660, 288471420, 336549990, 403859988, 504824985, 673099980, 1009649970, 2019299940]

約数ペア:

[(1, 2019299940), (2, 1009649970), (3, 673099980), (4, 504824985), (5, 403859988), (6, 336549990), (7, 288471420), (9, 224366660), (10, 201929994), (12, 168274995), (14, 144235710), (15, 134619996), (18, 112183330), (20, 100964997), (21, 96157140), (28, 72117855), (30, 67309998), (35, 57694284), (36, 56091665), (42, 48078570), (45, 44873332), (60, 33654999), (63, 32052380), (70, 28847142), (84, 24039285), (90, 22436666), (105, 19231428), (126, 16026190), (140, 14423571), (180, 11218333), (210, 9615714), (252, 8013095), (315, 6410476), (420, 4807857), (630, 3205238), (647, 3121020), (1260, 1602619), (1294, 1560510), (1941, 1040340), (2477, 815220), (2588, 780255), (3235, 624204), (3882, 520170), (4529, 445860), (4954, 407610), (5823, 346780), (6470, 312102), (7431, 271740), (7764, 260085), (9058, 222930), (9705, 208068), (9908, 203805), (11646, 173390), (12385, 163044), (12940, 156051), (13587, 148620), (14862, 135870), (17339, 116460), (18116, 111465), (19410, 104034), (22293, 90580), (22645, 89172), (23292, 86695), (24770, 81522), (27174, 74310), (29115, 69356), (29724, 67935), (34678, 58230), (37155, 54348), (38820, 52017), (40761, 49540), (44586, 45290)]